tx 0xb8a88e4bf82e02abc4a7affe60bde0fe4bc9b3370f6d80a7bf57baa10d2e9ee7Copy

order would be filled (post-only rejected)

{
  "ModifyOrder": {
    "new_size": 6706116509,
    "order_id": 340643503,
    "new_price": 6382000000
  }
}